(19)

(11)

EP 3 440 755 A1

(12)

(43) Date of publication: 13.02.2019 Bulletin 2019/07 (21) Application number: 16898133.0 (22) Date of filing: 29.04.2016

(51) International Patent Classification (IPC):  H02J 3/28(2006.01) G21D 3/00(2006.01) (86) International application number: PCT/US2016/030094 (87) International publication number: WO 2017/176297 (12.10.2017 Gazette 2017/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 05.04.2016 US 201615091408 (71) Applicant: NuScale Power, LLC Corvallis, OR 97330 (US)	(72) Inventor: HOUGH, Ted Corvallis, OR 97330 (US) (74) Representative: Mewburn Ellis LLP  City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)